/**
 * Plugin Name: Marie Front
 * Version: 4.9
 * Author: Jouw Naam
 */

if (!defined('ABSPATH')) exit;

add_shortcode('marie_filter', function () {
    ob_start();

    $all_attributes = wc_get_attribute_taxonomies();
$selected_attrs = get_option('marie_filter_attributes', []);
$attributes = array_filter($all_attributes, function($attr) use ($selected_attrs) {
    return in_array('pa_' . $attr->attribute_name, $selected_attrs);
});
    ?>
    <form method="GET" class="marie-filter" style="max-width:400px;padding:1em;border:1px solid #ccc;border-radius:6px;font-family:sans-serif;">
        <h3 style="margin-bottom:1em;">Filters</h3>

    foreach ($attributes as $attribute) {
        $taxonomy = 'pa_' . $attribute->attribute_name;
        $terms = get_terms([
            'taxonomy' => $taxonomy,
            'hide_empty' => true,
        ]);

        if (!empty($terms) && !is_wp_error($terms)) {
            $label = ucfirst(str_replace('pa_', '', $taxonomy));
            $selected = $_GET['filter_' . $taxonomy] ?? '';
            echo '<div style="margin-bottom:1em;">';
            echo '<label for="filter_' . esc_attr($taxonomy) . '">' . esc_html($label) . '</label><br>';
            echo '<select name="filter_' . esc_attr($taxonomy) . '" style="width:100%;">';
            echo '<option value="">-- Alles --</option>';
            foreach ($terms as $term) {
                $is_selected = selected($selected, $term->slug, false);
                echo '<option value="' . esc_attr($term->slug) . '" ' . $is_selected . '>' . esc_html($term->name) . '</option>';
            }
            echo '</select>';
            echo '</div>';
        }
    }

    ?>
        
    <div style="margin-bottom:1em;">
        <label for="min_price">Min prijs</label><br>
        <input type="number" name="min_price" id="min_price" value="" style="width:100%;" />
    </div>
    <div style="margin-bottom:1em;">
        <label for="max_price">Max prijs</label><br>
        <input type="number" name="max_price" id="max_price" value="" style="width:100%;" />
    </div>
    <div style="margin-bottom:1em;">
        <label for="orderby">Sorteer op</label><br>
        <select name="orderby" id="orderby" style="width:100%;">
            <option value="">-- Standaard --</option>
            <option value="price" >Prijs: Laag naar Hoog</option>
            <option value="price-desc" >Prijs: Hoog naar Laag</option>
            <option value="popularity" >Populariteit</option>
            <option value="date" >Nieuwste</option>
        </select>
    </div>
<button type="submit" style="padding:0.5em 1em;">Filter</button>
    </form>
    return ob_get_clean();
});


add_action('woocommerce_product_query_tax_query', function ($tax_query, $query) {
    $all_attributes = wc_get_attribute_taxonomies();
$selected_attrs = get_option('marie_filter_attributes', []);
$attributes = array_filter($all_attributes, function($attr) use ($selected_attrs) {
    return in_array('pa_' . $attr->attribute_name, $selected_attrs);
});

    foreach ($attributes as $attribute) {
        $taxonomy = 'pa_' . $attribute->attribute_name;
        $get_key = 'filter_' . $taxonomy;

        if (!empty($_GET[$get_key])) {
            $tax_query[] = [
                'taxonomy' => $taxonomy,
                'field' => 'slug',
                'terms' => sanitize_text_field($_GET[$get_key]),
            ];
        }
    }

    return $tax_query;
}, 10, 2);


add_action('woocommerce_product_query_meta_query', function ($meta_query, $query) {
    if (!empty($_GET['min_price'])) {
        $meta_query[] = [
            'key' => '_price',
            'value' => floatval($_GET['min_price']),
            'compare' => '>=',
            'type' => 'NUMERIC',
        ];
    }
    if (!empty($_GET['max_price'])) {
        $meta_query[] = [
            'key' => '_price',
            'value' => floatval($_GET['max_price']),
            'compare' => '<=',
            'type' => 'NUMERIC',
        ];
    }
    return $meta_query;
}, 10, 2);

// Voeg instellingenpagina toe
add_action('admin_menu', function () {
add_action('admin_menu', function () {
    add_options_page(
        'Marie Filter Instellingen',
        'Marie Filter',
        'manage_options',
        'marie-filter-settings',
        'marie_filter_settings_page'
    );
});

// Registreer instellingen
add_action('admin_init', function () {
    register_setting('marie_filter_settings_group', 'marie_filter_attributes');
});

// HTML van de instellingenpagina
// HTML van de instellingenpagina met fallbackmelding
    $selected = get_option('marie_filter_attributes', []);
    ?>
    <div class="wrap">
        <h1>Marie Filter Instellingen</h1>
        <form method="post" action="options.php">
            <input type='hidden' name='option_page' value='marie_filter_settings_group' /><input type="hidden" name="action" value="update" />